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1145727210 = 23538190907
BaseRepresentation
bin100010001001010…
…0110100011101010
32221211212222021010
41010102212203222
54321301232320
6305404524350
740251343365
oct10422464352
92854788233
101145727210
115388078a1
1227b8506b6
131534a12c4
14ac2430dc
156a8b9ae0
hex444a68ea

1145727210 has 16 divisors (see below), whose sum is σ = 2749745376. Its totient is φ = 305527248.

The previous prime is 1145727199. The next prime is 1145727239. The reversal of 1145727210 is 127275411.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 38190907 = 1145727210 / (1 + 1 + 4 + 5 + 7 + 2 + 7 + 2 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19095424 + ... + 19095483.

It is an arithmetic number, because the mean of its divisors is an integer number (171859086).

Almost surely, 21145727210 is an apocalyptic number.

1145727210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145727210 is an abundant number, since it is smaller than the sum of its proper divisors (1604018166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145727210 is a wasteful number, since it uses less digits than its factorization.

1145727210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38190917.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1145727210 is about 33848.5924375003. The cubic root of 1145727210 is about 1046.3903899574.

The spelling of 1145727210 in words is "one billion, one hundred forty-five million, seven hundred twenty-seven thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 38190907 76381814 114572721 190954535 229145442 381909070 572863605 1145727210